nix-amer/README.md

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# | nix-amer |
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```yaml
name: nix-amer
version: 0.1.0
description: Configuration automation tool
author: xdrm-brackets
```
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>Need to automate the setup of your linux server or desktop ? This tool is made for you.
[TOC]
----
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### I. Build Format
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Your whole setup remains in 1 only build file. Each line contains one instruction, the list of instructions is listed below.
#### 1) package management
These instructions allow you to interact with the package system available on your system.
```
ins <packages>
```
Install the listed packages. If more than one, use spaces to separate package names.
```
upd
```
Update/upgrade your system.
```
del <packages>
```
Remove the listed packages. If more than one, use spaces to separate package names.
#### 3) update configuration files
This instruction allow you to update configuration files without the need of an editor and in a developer-readable manner.
```
cnf <expr> <content>
```
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Update a configuration file where \<expr\> is a dot-separated human-readable [path expression](#ii-path-expressions) and \<content\> is a string or a file. If a string is given, it will <u>override/add the field</u> ; if a file is given the configuration file will be <u>replaced</u> by it.
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```
cnf <expr>
```
Remove a configuration field matching the \<expr\> path.
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#### 4) service management
These instructions allow you to interact with the service system (_cf. systemd_).
```
ser [enable|start|stop|restart|reload] <services>
```
Perform the action on services. If more than one, use spaces to separate service names.
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#### 5) custom scripts
These instructions allow you to use custom scripts for complex operations.
```
run <script>
```
Execute the \<script\> file.
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----
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### II. Path Expressions
The syntax is pretty fast-forward, it uses 3 levels to find your configuration line : `subject@alt.field`.
| Field | Description | Example |
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| --------- | :----------------------------------- | -------------------------- |
| `subject` | The name of the program to configure. Available program names are listed in this [table](tablefile). | `sshd`, `httpd`, `nginx` |
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| `alt` | Alternative file if there is more than one for a package. If **omitted** it will default to the _main_ configuration file. | `httpd@main`, `http@ports` |
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| `field` | Field is a dot-separated chain of strings that match with a configuration field. If **omitted**, the \<value\> will just be added at the end of the configuration file. In the same way if the field does not point to a raw field but a parent or group containing fields, the \<value\> will be added at the end. | `sshd.AllowGroups`, `nginx.http.gzip` |
----
## Example
_myserver.build_
```
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sys name ubuntu # required to choose which
sys version 18.4 # package-manager to use
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upd
ins nginx ssh sslh
cnf nginx.http.gzip on
ser enable nginx
ser start nginx
cnf sshd.PermitRootLogin no
cnf sshd.PermitEmptyPasswords no
cnf sshd.StrictModes yes
cnf sshd.Port 22
ser enable sshd
ser enable ssh
cnf sslh.RUN yes
cnf sslh.DEAMON_OPTS "--user sslh --listen 0.0.0.0:443 --ssh 127.0.0.1:22 --ssl 127.0.0.1:44300 --pidfile /var/run/sslh/sslh.pid"
ser enable sslh
ser start sslh
```